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138 lines
5.0 KiB
138 lines
5.0 KiB
# Copyright 2016 The Gemmlowp Authors. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""."""
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import collections
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_HEADER_COPYRIGHT = (
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'''// Copyright 2016 The Gemmlowp Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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''')
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def GenerateHeader(cc, header_name, preprocessor_directive):
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cc.EmitCodeNoSemicolon(_HEADER_COPYRIGHT)
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cc.EmitHeaderBegin(header_name)
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cc.EmitPreprocessor1('ifdef', preprocessor_directive)
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cc.EmitNewline()
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cc.EmitInclude('<cassert>')
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cc.EmitInclude('<cstdint>')
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cc.EmitNewline()
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def GenerateFooter(cc, message):
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cc.EmitPreprocessor('else')
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cc.EmitPreprocessor1('warning', '"%s"' % message)
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cc.EmitPreprocessor('endif')
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cc.EmitNewline()
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cc.EmitHeaderEnd()
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def GenerateDebugLog(cc, message):
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cc.EmitPreprocessor1('ifdef', 'DEBUG')
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cc.EmitPreprocessor1('ifdef', 'DEBUG_METAGEMM_VERBOSE')
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cc.EmitCode('std::cout << __FILE__ << \"(\" << __LINE__ << \") %s\" '
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'<< std::endl << std::flush' % message)
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cc.EmitPreprocessor('endif')
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cc.EmitPreprocessor('endif')
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def _TemplateName(base, params):
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return '%s<%s>' % (base, ', '.join(map(str, params)))
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class StreamGenerator(object):
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"""."""
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def __init__(self, emitter, name):
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self.name = name
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self.emitter = emitter
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def SpecializeStream(self, in_type, lanes_count, pack_size, leftovers):
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if isinstance(getattr(self, 'EmitPack', None), collections.Callable):
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template_params = [in_type, lanes_count, pack_size, leftovers, self.name]
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self.emitter.EmitMemberFunctionBegin(
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'Stream', [], template_params, 'Pack',
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[['const %s*' % in_type, 'in'], ['const %s&' % self.name, 'params'],
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['%s*' % in_type, 'out']], 'inline void')
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GenerateDebugLog(self.emitter,
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'%s::Pack()' % _TemplateName(self.name, template_params))
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self.EmitPack(in_type, lanes_count, pack_size, leftovers)
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self.emitter.EmitFunctionEnd()
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class MulKernelGenerator(object):
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"""."""
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def __init__(self, emitter, kernel_name, output_stream_name):
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self.kernel_name = kernel_name
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self.output_stream_name = output_stream_name
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self.emitter = emitter
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def SpecializeMulKernel(self, in_type, out_type, kernel_m, kernel_n,
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pack_size):
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"""Generates the kernel wrapped in a MulKernel template specialization."""
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template_params = [
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in_type, out_type, self.kernel_name, self.output_stream_name, kernel_m,
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kernel_n, pack_size
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]
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self.emitter.EmitMemberFunctionBegin(
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'MulKernel', [], template_params, 'Multiply',
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[['const %s*' % in_type, 'lhs'], ['const %s*' % in_type, 'rhs'], [
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'const FusedKernelParams<%s, %s>&' % (self.kernel_name,
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self.output_stream_name),
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'params'
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], ['%s*' % out_type, 'result']], 'inline void')
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GenerateDebugLog(self.emitter, '%s::Multiply()' %
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_TemplateName(self.kernel_name + self.output_stream_name,
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template_params))
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self.EmitMultiply(in_type, out_type, kernel_m, kernel_n, pack_size)
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self.emitter.EmitFunctionEnd()
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class Transform1DKernelGenerator(object):
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"""."""
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def __init__(self, emitter, kernel_name):
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self.kernel_name = kernel_name
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self.emitter = emitter
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def SpecializeTransform1DKernel(self, in_type, out_type, kernel_size,
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leftovers):
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"""Generates the kernel wrapped in a Transform1DKernel specialization."""
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template_params = [
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in_type, out_type, self.kernel_name, kernel_size, leftovers
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]
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self.emitter.EmitMemberFunctionBegin(
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'Transform1DKernel', [], template_params, 'Transform',
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[['const %s*' % in_type, 'input'],
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['const %s&' % self.kernel_name, 'params'],
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['%s*' % out_type, 'output']], 'inline void')
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GenerateDebugLog(self.emitter, '%s::Transform()' %
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_TemplateName(self.kernel_name, template_params))
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self.EmitTransform(in_type, out_type, kernel_size, leftovers)
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self.emitter.EmitFunctionEnd()
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